From 9c70220b73908f64792422a2c39c593c4792f2c5 Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Wed, 25 Apr 2007 18:04:18 -0700 Subject: [SK_BUFF]: Introduce skb_transport_header(skb) For the places where we need a pointer to the transport header, it is still legal to touch skb->h.raw directly if just adding to, subtracting from or setting it to another layer header. Signed-off-by: Arnaldo Carvalho de Melo Signed-off-by: David S. Miller --- net/ipv6/mcast.c | 16 +++++++++------- 1 file changed, 9 insertions(+), 7 deletions(-) (limited to 'net/ipv6/mcast.c') diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c index 1f2a3be9308..c6436f5e3e9 100644 --- a/net/ipv6/mcast.c +++ b/net/ipv6/mcast.c @@ -1212,7 +1212,7 @@ int igmp6_event_query(struct sk_buff *skb) in6_dev_put(idev); return -EINVAL; } - mlh2 = (struct mld2_query *) skb->h.raw; + mlh2 = (struct mld2_query *)skb_transport_header(skb); max_delay = (MLDV2_MRC(ntohs(mlh2->mrc))*HZ)/1000; if (!max_delay) max_delay = 1; @@ -1235,7 +1235,7 @@ int igmp6_event_query(struct sk_buff *skb) in6_dev_put(idev); return -EINVAL; } - mlh2 = (struct mld2_query *) skb->h.raw; + mlh2 = (struct mld2_query *)skb_transport_header(skb); mark = 1; } } else { @@ -1460,18 +1460,20 @@ static inline int mld_dev_queue_xmit(struct sk_buff *skb) static void mld_sendpack(struct sk_buff *skb) { struct ipv6hdr *pip6 = ipv6_hdr(skb); - struct mld2_report *pmr = (struct mld2_report *)skb->h.raw; + struct mld2_report *pmr = + (struct mld2_report *)skb_transport_header(skb); int payload_len, mldlen; struct inet6_dev *idev = in6_dev_get(skb->dev); int err; IP6_INC_STATS(idev, IPSTATS_MIB_OUTREQUESTS); payload_len = skb->tail - skb_network_header(skb) - sizeof(*pip6); - mldlen = skb->tail - skb->h.raw; + mldlen = skb->tail - skb_transport_header(skb); pip6->payload_len = htons(payload_len); pmr->csum = csum_ipv6_magic(&pip6->saddr, &pip6->daddr, mldlen, - IPPROTO_ICMPV6, csum_partial(skb->h.raw, mldlen, 0)); + IPPROTO_ICMPV6, csum_partial(skb_transport_header(skb), + mldlen, 0)); err = NF_HOOK(PF_INET6, NF_IP6_LOCAL_OUT, skb, NULL, skb->dev, mld_dev_queue_xmit); if (!err) { @@ -1505,7 +1507,7 @@ static struct sk_buff *add_grhead(struct sk_buff *skb, struct ifmcaddr6 *pmc, pgr->grec_auxwords = 0; pgr->grec_nsrcs = 0; pgr->grec_mca = pmc->mca_addr; /* structure copy */ - pmr = (struct mld2_report *)skb->h.raw; + pmr = (struct mld2_report *)skb_transport_header(skb); pmr->ngrec = htons(ntohs(pmr->ngrec)+1); *ppgr = pgr; return skb; @@ -1538,7 +1540,7 @@ static struct sk_buff *add_grec(struct sk_buff *skb, struct ifmcaddr6 *pmc, if (!*psf_list) goto empty_source; - pmr = skb ? (struct mld2_report *)skb->h.raw : NULL; + pmr = skb ? (struct mld2_report *)skb_transport_header(skb) : NULL; /* EX and TO_EX get a fresh packet, if needed */ if (truncate) { -- cgit v1.2.3